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参数资料
型号： TLC2543MFK
厂商： TEXAS INSTRUMENTS INC
元件分类： ADC
英文描述： 11-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, CQCC20
封装： CERAMIC, LCC-20
文件页数： 27/31页
文件大小： 474K
代理商： TLC2543MFK
TLC2543C, TLC2543I, TLC2543M
12-BIT ANALOG-TO-DIGITAL CONVERTERS
WITH SERIAL CONTROL AND 11 ANALOG INPUTS
SLAS079E – DECEMBER 1993 – REVISED JUNE 2000
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range,
VCC = Vref+ = 4.5 V to 5.5 V, f(I/O CLOCK) = 4.1 MHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TLC2543C, TLC2543I
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High level output voltage
VCC = 4.5 V,
IOH = –1.6 mA
2.4
V
VOH
High-level output voltage
VCC = 4.5 V to 5.5 V,
IOH = –20 A
VCC – 0.1
V
VOL
Low level output voltage
VCC = 4.5 V,
IOL = 1.6 mA
0.4
V
VOL
Low-level output voltage
VCC = 4.5 V to 5.5 V,
IOL = 20 A
0.1
V
IOZ
High-impedance off-state output
VO = VCC,
CS at VCC
1
2.5
A
IOZ
g
current
VO = 0,
CS at VCC
1
– 2.5
A
IIH
High-level input current
VI = VCC
1
2.5
A
IIL
Low-level input current
VI = 0
1
– 2.5
A
ICC
Operating supply current
CS at 0 V
1
2.5
mA
ICC(PD) Power-down current
For all digital inputs,
0
≤ VI ≤ 0.5 V or VI ≥ VCC – 0.5 V
4
25
A
Selected channel leakage
Selected channel at VCC, Unselected channel at 0 V
1
Selected channel leakage
current
Selected channel at 0 V,
Unselected channel at VCC
–1
A
Maximum static analog
reference current into REF +
Vref + = VCC,
Vref – = GND
1
2.5
A
Ci
Input
Analog inputs
30
60
pF
Ci
capacitance
Control inputs
5
15
pF
All typical values are at VCC = 5 V, TA = 25°C.
electrical characteristics over recommended operating free-air temperature range,
VCC = Vref+ = 4.5 V to 5.5 V, f(I/O CLOCK) = 4.1 MHz (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TLC2543M
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
High level output voltage
VCC = 4.5 V,
IOH = –1.6 mA
2.4
V
VOH
High-level output voltage
VCC = 4.5 V to 5.5 V,
IOH = –20 A
VCC – 0.1
V
VOL
Low level output voltage
VCC = 4.5 V,
IOL = 1.6 mA
0.4
V
VOL
Low-level output voltage
VCC = 4.5 V to 5.5 V,
IOL = 20 A
0.1
V
IOZ
High-impedance off-state output
VO = VCC,
CS at VCC
1
2.5
A
IOZ
g
current
VO = 0,
CS at VCC
1
– 2.5
A
IIH
High-level input current
VI = VCC
1
10
A
IIL
Low-level input current
VI = 0
1
–10
A
ICC
Operating supply current
CS at 0 V
1
10
mA
ICC(PD) Power-down current
For all digital inputs,
0
≤ VI ≤ 0.5 V or VI ≥ VCC – 0.5 V
4
25
A
Selected channel leakage
Selected channel at VCC, Unselected channel at 0 V
10
Selected channel leakage
current
Selected channel at 0 V,
Unselected channel at VCC
–10
A
Maximum static analog
reference current into REF +
Vref + = VCC,
Vref – = GND
1
2.5
A
Ci
Input
Analog inputs
30
60
pF
Ci
capacitance
Control inputs
5
15
pF
All typical values are at VCC = 5 V, TA = 25°C.
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